Gateway ZX4951-33E. Processor clock speed: 3.2 GHz, Processor family: Intel Core i3, Processor model: i3-550. Internal memory: 4 GB, Maximum internal memory: 8 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 1000 GB, Hard drive rotational speed: 5400 RPM. Optical drive type: DVD Super Multi. Display diagonal: 546.1 mm (21.5 "), Display resolution: 1920 x 1080 pixels, Aspect ratio: 16:9